Kandiah.A. Goonasekara.G.A. Gunawardena.E.R.N. Water Management and Soil Conservation - 1st - Srilanka 2023 - 793p. ILL.,Cht.,Fig and Table ISBN: 978-624-94793-0-2 Nat. Bib. No.: 8658 Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 631.4 / KAN